There Isn't A Fighter Pilot Alive That Doesn't Wish They Still Flew an Tomcat, because of the truly vast payload an could carry, including ground targeting systems. It saw close air support service in Operation Enduring Freedom.
Ekranoplan Casspian The Russian Tank-Ship-Plane. Not exactly a plane but still cool. It flies just over the water because of ground effect. So it can haul a heavy load very efficiently compared to getting it up to altitude. Or floating.